Lawrence Livermore National Laboratory

April 10, 2015

Physical and Life Sciences Associate Director Glenn Fox announced the selection of Sonia Létant as the Division Leader for the Nuclear and Chemical Sciences (NACS) Division within the Physical and Life Sciences Directorate (PLS) effective April 29, 2015. As the NACS Division Leader, Sonia will provide technical leadership and management of approximately 220 staff members, overseeing programs and projects, including institutionally supported activities, and Laboratory Directed Research and Development (LDRD) projects. NACS staff members support the Laboratory's programs in Global Security, Stockpile Stewardship, the National Ignition Facility, as well as programs funded by the Department of Energy (DOE) Office of Science and various non-DOE sponsors. Sonia will represent the Division to sponsors, Lab management, and the science community, as well as participate in strategic planning for future directions and efforts in PLS.

Photo of Sonia Letant.

Sonia Létant

Sonia has a M.S. in Materials Science and a Ph.D. in Condensed Matter Physics from the Université Joseph Fourier in Grenoble, France. She began her career as a Lavoisier Fellow in the Department of Chemistry and Biochemistry at the University of California in San Diego in 1998, and then joined LLNL in 2001 as a Directorate Postdoctoral Researcher focusing on functional materials and methods for chemical, biological, and radiation sensing. She was appointed a Staff Scientist in 2002, became a Group Leader for the Functional Materials Group in 2006, and the Deputy Division Leader for S&T for the Chemical Sciences Division in January 2010. She was appointed Deputy Division Leader at large for the Chemical Sciences Division in March 2012, and is currently Deputy Division Leader for the Nuclear & Chemical Science Division. Sonia has had a wide variety of scientific and programmatic experiences at LLNL, including LDRD, WFO/SPP and programmatic projects. Her track record of successfully working across scientific fields, along with personnel and project management experience, make her uniquely qualified for this position.